Finite difference frequency-domain treatment of open transmission structures

Tapan K. Sarkar, Moshe Manela, Viswanathan Narayanan, Antonije R. Djordjevic

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

A full-wave solution utilizing the finite difference frequency-domain approach is applied to the computation of propagation characteristics of open transmission structures. In order to do this, one must find a way for terminating the finite difference grid at some finite distance, although the field actually extends to infinity. A method is presented based on boundary operators that terminates the grid. The boundary operators require a knowledge of the radial propagation constant which is to be solved for. This difficulty is overcome by an innovative iterative technique. Typical numerical results are presented to illustrate the accuracy of this method.

Original languageEnglish (US)
Pages (from-to)1609-1616
Number of pages8
JournalIEEE Transactions on Microwave Theory and Techniques
Volume38
Issue number11
DOIs
StatePublished - 1990

ASJC Scopus subject areas

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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